Van Der Gaag; Leonard C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Van Der Gaag; Leonard C..The latest application filed is for "toilet bowl sanitizing apparatus".
- Van Der Gaag; Leonard C. - Las Vegas NV
- Van Der Gaag; Leonard C. - San Jose CA
| Patent | Date |
|---|---|
| Toilet bowl sanitizing apparatus Grant 6,240,572 - Van Der Gaag , et al. June 5, 2 | 2001-06-05 |
| Method and apparatus for measuring the frequency of radiation Grant 4,308,456 - Van Der Gaag , et al. December 29, 1 | 1981-12-29 |
| Method and apparatus for measuring radiation from a plurality of light sources Grant 4,061,925 - van der Gaag , et al. December 6, 1 | 1977-12-06 |
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